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September 1, 2014

Posts by jo145578


Total # Posts: 2

science
a person standing on a road has to hold his umbrella at 60 degree vertical to keep the rain away he throws the umbrella and starts running at 20 m/s he finds that rain drops are falling in him vertically. find the speed of the rain drops with respect to 1.the road 2.the moving...
July 1, 2012

science
a person walks up a stationary escalator in t1 second if he remains stationary on the escalator then it can take him up in t2 second if the length of the escalator is L,then 1.determine the speed of man with respect to escalator 2.determine the speed of escalator 3. how much ...
July 1, 2012

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